avutil/lzo: K&R formatting cosmetics

libavutil/lzo.c

@@ -29,6 +29,7 @@
 #define OUTBUF_PADDED 1
 /// Define if we may read up to 8 bytes beyond the input buffer.
 #define INBUF_PADDED 1
+
 typedef struct LZOContext {
     const uint8_t *in, *in_end;
     uint8_t *out_start, *out, *out_end;
@@ -39,7 +40,8 @@ typedef struct LZOContext {
  * @brief Reads one byte from the input buffer, avoiding an overrun.
  * @return byte read
  */
-static inline int get_byte(LZOContext *c) {
+static inline int get_byte(LZOContext *c)
+{
     if (c->in < c->in_end)
         return *c->in++;
     c->error |= AV_LZO_INPUT_DEPLETED;
@@ -58,10 +60,12 @@ static inline int get_byte(LZOContext *c) {
  * @param mask bits used from x
  * @return decoded length value
  */
-static inline int get_len(LZOContext *c, int x, int mask) {
+static inline int get_len(LZOContext *c, int x, int mask)
+{
     int cnt = x & mask;
     if (!cnt) {
-        while (!(x = get_byte(c))) cnt += 255;
+        while (!(x = get_byte(c)))
+            cnt += 255;
         cnt += mask + x;
     }
     return cnt;
@@ -84,15 +88,16 @@ static inline int get_len(LZOContext *c, int x, int mask) {
  * @brief Copies bytes from input to output buffer with checking.
  * @param cnt number of bytes to copy, must be >= 0
  */
-static inline void copy(LZOContext *c, int cnt) {
+static inline void copy(LZOContext *c, int cnt)
+{
     register const uint8_t *src = c->in;
-    register uint8_t *dst = c->out;
+    register uint8_t *dst       = c->out;
     if (cnt > c->in_end - src) {
-        cnt = FFMAX(c->in_end - src, 0);
+        cnt       = FFMAX(c->in_end - src, 0);
         c->error |= AV_LZO_INPUT_DEPLETED;
     }
     if (cnt > c->out_end - dst) {
-        cnt = FFMAX(c->out_end - dst, 0);
+        cnt       = FFMAX(c->out_end - dst, 0);
         c->error |= AV_LZO_OUTPUT_FULL;
     }
 #if defined(INBUF_PADDED) && defined(OUTBUF_PADDED)
@@ -102,8 +107,8 @@ static inline void copy(LZOContext *c, int cnt) {
     cnt -= 4;
     if (cnt > 0)
 #endif
-        memcpy(dst, src, cnt);
-    c->in = src + cnt;
+    memcpy(dst, src, cnt);
+    c->in  = src + cnt;
     c->out = dst + cnt;
 }
 
@@ -117,22 +122,24 @@ static inline void memcpy_backptr(uint8_t *dst, int back, int cnt);
  * cnt > back is valid, this will copy the bytes we just copied,
  * thus creating a repeating pattern with a period length of back.
  */
-static inline void copy_backptr(LZOContext *c, int back, int cnt) {
+static inline void copy_backptr(LZOContext *c, int back, int cnt)
+{
     register const uint8_t *src = &c->out[-back];
-    register uint8_t *dst = c->out;
+    register uint8_t *dst       = c->out;
     if (src < c->out_start || src > dst) {
         c->error |= AV_LZO_INVALID_BACKPTR;
         return;
     }
     if (cnt > c->out_end - dst) {
-        cnt = FFMAX(c->out_end - dst, 0);
+        cnt       = FFMAX(c->out_end - dst, 0);
         c->error |= AV_LZO_OUTPUT_FULL;
     }
     memcpy_backptr(dst, back, cnt);
     c->out = dst + cnt;
 }
 
-static inline void memcpy_backptr(uint8_t *dst, int back, int cnt) {
+static inline void memcpy_backptr(uint8_t *dst, int back, int cnt)
+{
     const uint8_t *src = &dst[-back];
     if (back == 1) {
         memset(dst, *src, cnt);
@@ -157,8 +164,8 @@ static inline void memcpy_backptr(uint8_t *dst, int back, int cnt) {
             int blocklen = back;
             while (cnt > blocklen) {
                 memcpy(dst, src, blocklen);
-                dst += blocklen;
-                cnt -= blocklen;
+                dst       += blocklen;
+                cnt       -= blocklen;
                 blocklen <<= 1;
             }
             memcpy(dst, src, cnt);
@@ -166,12 +173,14 @@ static inline void memcpy_backptr(uint8_t *dst, int back, int cnt) {
     }
 }
 
-void av_memcpy_backptr(uint8_t *dst, int back, int cnt) {
+void av_memcpy_backptr(uint8_t *dst, int back, int cnt)
+{
     memcpy_backptr(dst, back, cnt);
 }
 
-int av_lzo1x_decode(void *out, int *outlen, const void *in, int *inlen) {
-    int state= 0;
+int av_lzo1x_decode(void *out, int *outlen, const void *in, int *inlen)
+{
+    int state = 0;
     int x;
     LZOContext c;
     if (!*outlen || !*inlen) {
@@ -182,16 +191,17 @@ int av_lzo1x_decode(void *out, int *outlen, const void *in, int *inlen) {
             res |= AV_LZO_INPUT_DEPLETED;
         return res;
     }
-    c.in = in;
-    c.in_end = (const uint8_t *)in + *inlen;
-    c.out = c.out_start = out;
-    c.out_end = (uint8_t *)out + * outlen;
-    c.error = 0;
-    x = GETB(c);
+    c.in      = in;
+    c.in_end  = (const uint8_t *)in + *inlen;
+    c.out     = c.out_start = out;
+    c.out_end = (uint8_t *)out + *outlen;
+    c.error   = 0;
+    x         = GETB(c);
     if (x > 17) {
         copy(&c, x - 17);
         x = GETB(c);
-        if (x < 16) c.error |= AV_LZO_ERROR;
+        if (x < 16)
+            c.error |= AV_LZO_ERROR;
     }
     if (c.in > c.in_end)
         c.error |= AV_LZO_INPUT_DEPLETED;
@@ -199,16 +209,16 @@ int av_lzo1x_decode(void *out, int *outlen, const void *in, int *inlen) {
         int cnt, back;
         if (x > 15) {
             if (x > 63) {
-                cnt = (x >> 5) - 1;
+                cnt  = (x >> 5) - 1;
                 back = (GETB(c) << 3) + ((x >> 2) & 7) + 1;
             } else if (x > 31) {
-                cnt = get_len(&c, x, 31);
-                x = GETB(c);
+                cnt  = get_len(&c, x, 31);
+                x    = GETB(c);
                 back = (GETB(c) << 6) + (x >> 2) + 1;
             } else {
-                cnt = get_len(&c, x, 7);
-                back = (1 << 14) + ((x & 8) << 11);
-                x = GETB(c);
+                cnt   = get_len(&c, x, 7);
+                back  = (1 << 14) + ((x & 8) << 11);
+                x     = GETB(c);
                 back += (GETB(c) << 6) + (x >> 2);
                 if (back == (1 << 14)) {
                     if (cnt != 1)
@@ -216,21 +226,21 @@ int av_lzo1x_decode(void *out, int *outlen, const void *in, int *inlen) {
                     break;
                 }
             }
-        } else if(!state){
-                cnt = get_len(&c, x, 15);
-                copy(&c, cnt + 3);
-                x = GETB(c);
-                if (x > 15)
-                    continue;
-                cnt = 1;
-                back = (1 << 11) + (GETB(c) << 2) + (x >> 2) + 1;
+        } else if (!state) {
+            cnt = get_len(&c, x, 15);
+            copy(&c, cnt + 3);
+            x = GETB(c);
+            if (x > 15)
+                continue;
+            cnt  = 1;
+            back = (1 << 11) + (GETB(c) << 2) + (x >> 2) + 1;
         } else {
-                cnt = 0;
-                back = (GETB(c) << 2) + (x >> 2) + 1;
+            cnt  = 0;
+            back = (GETB(c) << 2) + (x >> 2) + 1;
         }
         copy_backptr(&c, back, cnt + 2);
-        state=
-        cnt = x & 3;
+        state =
+        cnt   = x & 3;
         copy(&c, cnt);
         x = GETB(c);
     }

libavutil/lzo.h

@@ -32,18 +32,18 @@
 #include <stdint.h>
 
 /** @name Error flags returned by av_lzo1x_decode
-  * @{ */
+ * @{ */
 /// end of the input buffer reached before decoding finished
-#define AV_LZO_INPUT_DEPLETED 1
+#define AV_LZO_INPUT_DEPLETED  1
 /// decoded data did not fit into output buffer
-#define AV_LZO_OUTPUT_FULL 2
+#define AV_LZO_OUTPUT_FULL     2
 /// a reference to previously decoded data was wrong
 #define AV_LZO_INVALID_BACKPTR 4
 /// a non-specific error in the compressed bitstream
-#define AV_LZO_ERROR 8
+#define AV_LZO_ERROR           8
 /** @} */
 
-#define AV_LZO_INPUT_PADDING 8
+#define AV_LZO_INPUT_PADDING   8
 #define AV_LZO_OUTPUT_PADDING 12
 
 /**